There are total 5 hours or 300 minutes from 4pm to 9pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 1AM to 6AM | 6AM to 11PM | 6AM to 11PM |
| 8PM to 10AM | 3AM to 3PM | 3AM to 10AM |
| 10PM to 1PM | 3AM to 8AM | 7AM to 9AM |
| 9AM to 4AM | 10AM to 12PM | 1PM to 5PM |
| 10PM to 11PM | 9AM to 4AM | 3PM to 11PM |
| 3AM to 3PM | 10AM to 8PM | 6PM to 10PM |
